CVE-2021-345937.5HighCWE-755

CVE-2021-34593: CODESYS V2 runtime: unauthenticated invalid requests may result in denial-of-service

CODESYS · CODESYS V2

Vendor fix available · Affected: CODESYS V2 · Exploitation: possible (1 to 10%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

2.7%probability of exploitation in the next 30 days

85th percentile

050100

Higher than 85% of scored CVEs

7.5HighCVSS 3.1

LowMediumHighCrit.

DescriptionCVE.org

In CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56 unauthenticated crafted invalid requests may result in several denial-of-service conditions. Running PLC programs may be stopped, memory may be leaked, or further communication clients may be blocked from accessing the PLC.

Affected products1

From the CVE record. A product or version that is not listed is unknown, not unaffected.

CODESYS · CODESYS V2from Runtime Toolkit 32 bit full before V2.4.7.56; from PLCWinNT before V2.4.7.56

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas

Exploitation: Possible (1 to 10%). EPSS between 1% and 10%.
CISA KEV: Not listed
Public check: No public nuclei template
Weakness: Improper Handling of Exceptional Conditions · Input Validation and Logic
Vendor: CODESYS
Published: October 2021
Band: Possible (1 to 10%), October 2021

CoverageNo articles yet

No CyberSIXT article names CVE-2021-34593 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.